18550749

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 11124771

約数列:

[1, 3, 7, 21, 29, 83, 87, 203, 249, 367, 581, 609, 1101, 1743, 2407, 2569, 7221, 7707, 10643, 16849, 30461, 31929, 50547, 74501, 91383, 213227, 223503, 639681, 883369, 2650107, 6183583, 18550749]

約数ペア:

[(1, 18550749), (3, 6183583), (7, 2650107), (21, 883369), (29, 639681), (83, 223503), (87, 213227), (203, 91383), (249, 74501), (367, 50547), (581, 31929), (609, 30461), (1101, 16849), (1743, 10643), (2407, 7707), (2569, 7221)]